private void writeApachePoi() {
    String state = Environment.getExternalStorageState();
    if (Environment.MEDIA_MOUNTED.equals(state)) {
        File root = Environment.getExternalStorageDirectory();
        File dir = new File(root.getAbsolutePath() + "/Teacher");
        if (!dir.exists())
            dir.mkdir();

        File manager = new File(dir, "writeApachePoi.docx");
        try {
            XWPFDocument document= new XWPFDocument();
            XWPFParagraph paragraph = document.createParagraph();
            XWPFRun run=paragraph.createRun();
            run.setText("The Body:");
            XWPFTable table = document.createTable(1, 2);
            ***table.setInsideHBorder( XWPFTable.XWPFBorderType.SINGLE, 4, 0, "FF0000");***
            table.setWidth(5*1540); //should be 5 inches width
            CTTblWidth tblWidth = table.getRow(0).getCell(0).getCTTc().addNewTcPr().addNewTcW();
            tblWidth.setW(BigInteger.valueOf(2*1440));
            tblWidth.setType(STTblWidth.DXA);
            tblWidth = table.getRow(0).getCell(1).getCTTc().addNewTcPr().addNewTcW();
            tblWidth.setW(BigInteger.valueOf(4*1440));
            tblWidth.setType(STTblWidth.DXA);
            XWPFTableRow tableRowOne = table.getRow(0);
            tableRowOne.getCell(0).setText("CLientID");
            tableRowOne.getCell(1).setText("CID001");
            XWPFTableRow tableRow2 = table.createRow();
            tableRow2.getCell(0).setText("AccountID");
            tableRow2.getCell(1).setText("ACCID001");
            FileOutputStream stream = new FileOutputStream(manager);
            document.write(stream);
            stream.close();

        } catch (Exception e) {
            e.printStackTrace();
        }
    }

}